diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3171,6 +3171,7 @@ STR_BROKEN_VEHICLE_LENGTH               
 
 STR_NEWGRF_BUGGY                                                :{WHITE}NewGRF '{0:RAW_STRING}' provides incorrect information.
 STR_NEWGRF_BUGGY_ARTICULATED_CARGO                              :{WHITE}Cargo/refit information for '{1:ENGINE}' differs from purchase list after construction. This might cause autorenew/-replace to fail refitting correctly.
+STR_NEWGRF_BUGGY_ENDLESS_PRODUCTION_CALLBACK                    :{WHITE}'{1:STRING}' caused an endless loop in the production callback.
 
 STR_LOADGAME_REMOVED_TRAMS                                      :{WHITE}Game was saved in version without tram support. All trams have been removed.